Home / 165,636.87-228,561.71-93,047.91

Finding the Fourth Proportional to 165,636.87, 228,561.71 and 93,047.91

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Solution

The fourth proportional to 165,636.87, 228,561.71 and 93,047.91 is: 128,396.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,636.87 : 228,561.71 = 93,047.91 : x
  2. Step 2: Convert to fraction form
    165,636.87/228,561.71 = 93,047.91/x
  3. Step 3: Cross multiply
    165,636.87x = 228,561.71 × 93,047.91
  4. Step 4: Simplify right side
    165,636.87x = 21,267,188,956.29
  5. Step 5: Solve for x
    x = 21,267,188,956.29/165,636.87
  6. Step 6: Final answer
    x = 128,396.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.